Sree ramulu, U. S. (1982). Isotopes in agriculture. Oxford & IBH.
Chicago Edition CitationSree ramulu, U S. Isotopes in Agriculture. New Delhi: Oxford & IBH, 1982.
Cita MLASree ramulu, U S. Isotopes in Agriculture. Oxford & IBH, 1982.
Atenció: Aquestes cites poden no estar 100% correctes.